CENTURY ALUMINUM (CENX $6.68, rated Neutral; price target lowered to $5/share from $8/share) LOWER ESTIMATED NEAR TERM LME ALUMINUM INGOT PRICES LOWER EARNINGS AND CASH FLOW ESTIMATES FACILITATING THE NEED FOR ESTIMATED FUTURE FINANCING 8/7/2012

DULUTH METALS (DULMF $1.86, Neutral; Price target reduced from $15/share to 7/share) ALTERNATE NOKOMIS/MATURI CAPITAL EXPENDITURE ESTIMATES ANALYZED; JUNE 13TH PUBLISHED MINERAL GRADES FALL; ANALYSIS OF NI 43-101 STUDY PUBLISHED ON JULY 30th  8/7/2012

SILVER WHEATON (SLW $30.75 rated neutral with $24 up from $23 price target) POSITIVE IMPACT OF HUDBAY TRANSACTION, PARTIALLY OFFSET BY REDUCED ANNUAL PRODUCTION FROM PASCUA LAMA, REMOVAL OF NAVIDAD PROJECT AND SILVER PRICE EROSION 8/15/2012

ALUMINA LTD. (AWC $2.92, RATING LOWERED FROM OVERWEIGHT TO NEUTRAL; PRICE TARGET LOWERED FROM $7.50 TO $4.00); LOWER ESTIMATED NEAR TERM LME ALUMINUM PRICES HURT EARNINGS; ESTIMATED EQUITY ISSUANCE TO FUND POTENTIAL CASH SHORTFALL 8/17/2012